Finding the Fourth Proportional to 2,787,675.36, 3,847,051.20 and 1,564,069.37
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Solution
The fourth proportional to 2,787,675.36, 3,847,051.20 and 1,564,069.37 is: 2,158,448.95
Step by Step Solution
- Step 1: Write the proportion equation
2,787,675.36 : 3,847,051.20 = 1,564,069.37 : x - Step 2: Convert to fraction form
2,787,675.36/3,847,051.20 = 1,564,069.37/x - Step 3: Cross multiply
2,787,675.36x = 3,847,051.20 × 1,564,069.37 - Step 4: Simplify right side
2,787,675.36x = 6,017,054,946,741.75 - Step 5: Solve for x
x = 6,017,054,946,741.75/2,787,675.36 - Step 6: Final answer
x = 2,158,448.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.